Home / Brand / Superior / Kit, HeatFlo 45 DV Units “Horizontal Firestop – See-Thru” has been added to your cart. View cart Kit, HeatFlo 45 DV Units$641.00 Out of stock SKU: F4454 Categories: Superior, Venting Additional information Additional information Weight 47 lbs Dimensions 52 × 22 × 13 in Brand Superior Related products Kit, HeatFlo 55 DV Units $695.00 -Add to cart 48″ DV Length – Rigid $235.00 -Add to cart Adjustable DV Length 3″-10″ – Rigid $119.00 -Add to cart